Heat Controller VMH18SC-1 User manual

Brand: Heat Controller

Model: VMH18SC-1

Category: Split-system air conditioners

Type: User manual

where you need it,

when you need it

Comfort…

Ductless Mini-Split Systems

t Century, we’re in the business of making you

comfortable, whether at home, work, school, or at

play. We offer a broad product selection for both residential

and commercial use. Products that are efﬁ cient, effective

and designed to add value.

We’ve been in the comfort business since our founding in

1933, and our roots go back even further. We can trace

our beginnings to the Wingert Furnace Co. which began

building coal, gas and oil furnaces in 1907. We moved to

our new headquarters in Jackson, Michigan, in 1955, and

this facility has been expanded several times—most recently

in 2006—to accommodate our growth.

Century is known throughout the heating and air

conditioning industry for efﬁ cient, reliable products and

in-season availability. Whether for heating or cooling, these

products meet or exceed industry standards for energy

efﬁ ciency. The line is constantly being updated to add the

features and new technology that customers demand.

Ductless mini-split systems are one of our fastest growing

product groups, and there are many reasons for this

increasing popularity—but overall, the key is ﬂ exibility. They

allow air conditioning (and heating with heat pump models)

to be added quickly, conveniently and economically—often

in locations where installing such comfort systems didn’t

seem possible or practical.

Read on to find out how a ductless mini-split system

can make you comfortable, and do it efficiently and

economically.

Comfort…

it’s what we’re

all about

Table of Contents

This guide to ductless mini-splits is designed to

explain how units work, the advantages they bring,

and to show you the entire Century line. With single

zone, multi-zone, and ceiling cassette models, there’s

a mini-split in the size and type you need to add

comfort to just about any location!

Where can you use a mini-split? ............................2

Advantages of mini-splits .......................................3

Mini-splits and indoor air quality ...........................3

How does a mini-split work? ..................................4

Inverter technology .................................................5

Multi-zone ﬂ exibility ...............................................6

Energy efﬁ ciency explained ....................................7

Advantages of new refrigerant type .....................7

Quick reference guide to models ...........................8

Features of mini-split line .......................................9

Model speciﬁ cations

“S” Series Single Zone .......................................10

“V” Series Inverter Single Zone ........................12

“V” Series InverterFlex Multi-Zone ...................14

“D” Series Ceiling Cassette ..............................16

Ready to buy? Things to consider ........................17

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Ductless mini-split systems are a great solution to a wide variety of installation challenges, giving

contractors the ability to put air conditioning (and heat with heat pump models) in locations that

previously seemed impossible. They’re ideal when installing ductwork is difﬁ cult, prohibitively

expensive, or simply impractical. Both residential and commercial structures, new construction

and existing buildings, are candidates for mini-splits.

Basically a mini-split does away with the need for ductwork. Like a regular split system A/C or

heat pump, the condenser is located outdoors; one or more air handlers are placed indoors. The

two are connected by electrical, refrigerant, and condensate drain lines that run through a small

hole in an exterior wall, generally 3” in diameter or less.

In addition to eliminating the need for ducting, one of the other big advantages of mini-split

systems is true zone control. The air handler is dedicated to the room being conditioned and

is controlled by a wireless remote. That room can be kept at a temperature and humidity level

different from the rest of the house or building.

Multi-zone systems for two, three or four rooms (or one large space) feature a single condenser

that handles two, three or four air handlers. Each air handler is independently controlled, with its

own remote and electronics-based climate controls to regulate temperature and humidity levels,

as well as air ﬂ ow. Units in a bedroom and a home ofﬁ ce, for instance, can be programmed

for different hours of operation with the 24-hour timer, or two classrooms situated side by side

can be set at different temperatures.

Mini-split systems have the ﬂ exibility to ﬁ t virtually anywhere and with SEER ratings up to 20.0,

they’re also economical to operate.

Where can you use a mini-split?

Common applications include:

n Historic homes (the aesthetics of the

exterior are maintained)

n Homes with hydronic heat

n Residential additions such as a

sunroom or bedroom

n Vacation homes and cabins

n Schools (individual classroom control)

n Church sanctuaries and fellowship halls

n Nursing homes and hospitals

Ductless Mini-Splits

The Comfort Solution

n Restaurants

n Remote ofﬁ ces such as those inside

a warehouse or factory

n Utility transfer stations

n Arena sky boxes

n Computer rooms (temperature/

humidity can be different than the

rest of the building)

n ATMs and ofﬁ ce lobbies

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Advantages of a ductless mini-split system

Quiet Operation—The operational sound of the compressor and fan is kept

outside with the condensing unit and the indoor air handler is designed to be

exceptionally quiet

Easy Installation—All it takes to connect the outdoor condenser and the indoor

air handler is a hole about 3” in diameter to run refrigerant lines, condensate

drain and electrical wires between the two components

Efﬁ ciency—Units are designed to be energy efﬁ cient with high SEER ratings that

meet or exceed government mandated standards; and only the room or area being

used is conditioned, potentially decreasing electricity usage when compared to

traditional systems

Attractive Appearance—High wall models feature a low proﬁ le indoor unit in

a neutral color that blends with any décor; ceiling cassettes also come in a neutral

color that virtually disappears in ceiling installations

Security—With a room air conditioner, there’s always the worry that access to

the home can be gained through the window where the unit is mounted; that

worry is eliminated with a ductless system

Consistent Comfort—Electronic climate controls regulate operation to maintain

a preset temperature level; random swing air ﬂ ow (on most units) continually

adjusts the fan speed and air direction for a gentle, breeze-like effect

Simple Operation—One fully featured remote is included for each indoor air

handler, making it simple to select the mode, set the temperature and the timer,

and change the airﬂ ow direction

Mini-Splits and Indoor Air Quality

According to the EPA, the air inside our homes is often more polluted than

outside air. What’s needed to protect yourself from airborne contaminants

is a high quality ﬁ ltration system, and that’s just what you get with all

ductless mini-splits from Century .

In fact, our “V” Series inverter units are equipped with triple ﬁ ltration:

• Ionizer—removes microscopic particles from the air

• Active carbon and dust ﬁ lter—removes dust, smoke, and pollen

• Air freshening ﬁ lter—helps freshen the air

Additionally, the units can be operated in the dehumidiﬁ cation mode without

cooling or heating. This removes excess humidity from the indoor air, one of

the keys to preventing the growth of mold, mildew and other contaminants.

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than just temperature…

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Cooling without Ductwork

A ductless mini-split air conditioner works the same way central air

conditioning does with one big difference—there’s no ductwork.

Both the central system and the mini-split can be classiﬁ ed as

split systems because they consist of an outdoor condensing

unit and an indoor air handler. With a central A/C system, the

indoor components include a cooling coil and an air handler (the

furnace’s blower or a separate air handler) that circulates the

conditioned air throughout the structure by way of the ductwork.

The mini-split indoor unit functions as both the indoor coil and

the air handler, delivering conditioned air directly into a single

room without sending it through any ductwork.

Heat Pump Models

A heat pump mini-split operates in basically the same manner,

but adds heating capability. In the summer it transfers heat

from inside the home to the outdoors. A reversing valve makes

it possible for the unit to reverse this procedure during cold

weather, absorbing heat from the outdoors and transferring it

indoors (yes, there is warm air outside, even when it’s below

freezing).

Heat Gain/Loss

One of the advantages this “ductless” operation provides is

efﬁ ciency. In a central system, the cooler air absorbs heat as

it travels through the ductwork. The longer the duct run, the

greater the temperature gain. In winter, heat can also be lost as

the conditioned air travels through the ducts.

Don’t forget that it takes air pressure to move the conditioned air

through the ducting system and that involves some noise from

the fan and the actual movement of air. A mini-split system,

however, is ultra-quiet because it doesn’t have to push the air

through many feet of ductwork.

Indoor Air Handler

How does a

mini-split

work?

This diagram shows a typical

single zone installation:

n The condensing unit is

installed outdoors while

the air handler is mounted

inside on an exterior wall.

A hole approximately 3” in

diameter is drilled through

the wall. The lines that carry

refrigerant from the air

handler to the condensing

unit and back run through

this hole.

n An electric line runs between

the two components: power

is supplied by the outdoor

unit so there are no cords and

plugs visible on the interior. A

bracket mounted to the wall

supports the air handler, but

is hidden by air handler.

n A drain line runs from the

air handler to the outside to

carry condensate away.

Outdoor Condenser

tdoor Condenser

Inverter Technology:

Taking comfort and efﬁ ciency

to the next level

Century’s “V” Series ductless mini-split

heat pumps maximize comfort by reducing

temperature ﬂ uctuations and at the same

time save an estimated 40% or more

on energy consumption, compared with

traditional mini-split systems.

What’s different about the “V” Series?

It uses state-of-the-art inverter

technology.

An inverter is an electrical

device that varies the

frequency of the power

going to the compressor.

This allows the compressor

to run at variable speeds so

that it can precisely match the power with

the demand.

A microprocessor adjusts the compressor

speed by sampling the ambient air

temperature in the room or space

being cooled or heated. At start up,

the compressor runs at high RPMs to

quickly reach the desired temperature

in the room. Then it slows down to

a low rotation speed to maintain the

temperature. However, during times of

high demand such as weather extremes,

or even a large gathering in the room,

the compressor ramps up to a faster

speed to meet the demand.

Compare this to a traditional system

which cools by running the

compressor until the

setpoint is reached and

then turns off. This

on-off cycling results in

temperature ﬂ uctuations

that affect comfort, and

also adds to wear and tear of

the components.

Temperature isn’t the only contributor

to comfort: humidity is critical. Dehu-

midiﬁ cation, especially during hot, muggy

weather, is an integral component of

cooling. When the compressor in a tra-

ditional system cycles off, dehumidiﬁ ca-

tion also stops. With an inverter system,

excess moisture in the air is removed all

the time because the unit runs constantly,

although mostly at “economy” speed.

Ductless mini-splits can save you money when it comes to adding

on to your house. If your current HVAC system is correctly sized to

your existing structure, it may not have the capacity to handle the

new square footage. Rather than replacing the entire system, you

can cool and heat your new space with a mini-split—and save the

cost of installing ductwork.

Advantages of

Inverter Technology

Reaches the desired

temperature quickly

n Provides precise temperature

control and continuous

dehumidiﬁ cation (cooling mode)

n Extends component life by

eliminating on-off cycling

Operates exceptionally quietly

because the DC compressor

runs mostly at low speed,

which also reduces any

vibration and associated noise

n Saves energy by matching

the compressor speed to

the demand; rated at up

to 20.0 SEER

n Extra heating capacity even at

low ambient temperatures

When you need to

condition more than

one space, it’s not

necessary to install

separate systems. You

can choose multi-zone

models that let you

cool and heat multiple

rooms, and with our

InverterFlex models,

you can mix and match

2, 3 or 4 air handlers

to best match your

room requirements.

Each system uses one

outdoor condensing

unit tied to multiple

indoor units, and

each of the indoor

units is independently

controlled to meet

specific comfort requirements.

InverterFlex units make zoning

practical and economical. No

complicated systems and controls

are required to cool and heat

individual rooms. Setting the

desired comfort level is a snap,

using the wireless remote that

comes with each indoor air handler.

This makes them ideal not just

for residential use, but also for

nursing homes, classrooms,

anywhere individual comfort

control is preferred.

The multi-zone design is also ideal

for large spaces. One or more

InverterFlex systems can be effective

(and quiet) for a church sanctuary

or fellowship hall, school commons

area, even a warehouse setting,

for example. As with all mini-splits,

there’s minimal disruption for

Multi-Zone

Flexibility

A ductless mini-split can contribute to a better night’s rest by making

your bedroom more comfortable. You can control the temperature

and humidity levels separately from the rest of the home and select

Sleep Mode, if you choose. For most people, body temperature drops

as they sleep so the room setting that was comfortable at bedtime

is too cool by early morning. The Sleep Mode automatically adjusts

the temperature during the night so you don’t wake up looking for a

blanket or have to get up to change the thermostat.

installation and the sleek indoor

units blend into the décor.

As for operating costs, the units use

inverter technology for efﬁ ciency,

but you may choose to heat/cool

only the room or space being used,

saving even more on utility bills.

Capacities for InverterFlex models

range from 18,000 BTUH to 36,000

BTUH, with indoor air handlers sized

from 9,000 to 12,000 BTUH per zone.

You can see how one outdoor condenser is used in conjunction with multiple

indoor air handlers in a single structure. Air handlers can be installed up to

82’ (depending on model) from the condenser, so you can place the condenser

in the best location for your landscaping.

What do we mean by ‘Energy Efﬁ cient’?

In recent years, heating and cooling manufacturers have made signiﬁ cant

advances in the efﬁ ciency of their systems in terms of energy usage. This is an

especially important purchase consideration as fuel prices continue to rise.

Cooling efﬁ ciency is measured by a Seasonal Energy Efﬁ ciency Ratio (SEER)

rating. The higher the number, the more efﬁ cient the equipment. All Century

systems meet or exceed the federally mandated 13.0 SEER rating, and some

are rated as high as 20.0!

For heat pump models, efﬁ ciency is shown by a Heating Season Performance

Factor (HSPF). This is an estimate calculated by dividing the seasonal heating

output by the seasonal power consumption in watts. The federal minimum

is 7.7; the most efﬁ cient heat pumps have an HSPF between 8 and 10. Our

units are rated as high as 9.5 in the ‘V’ series.

All heating and cooling equipment comes with an Energy Guide label which

shows the estimated energy usage—you can use these labels to compare

equipment efﬁ ciency. Your dealer can help you determine which system is best

for you, taking into account a number of factors including the average number

of yearly cooling and heating days in your area of the country, in addition to

your individual needs.

All Century ductless mini-splits come charged with R-410A, an

environmentally friendly refrigerant.

Why is this important? Because R-410A doesn’t contribute to depletion

of the earth’s vital ozone layer.

The ozone layer is located in the stratosphere, providing a

protective barrier against the sun’s harmful ultraviolet rays

which can cause skin cancer and cataracts in people. UV

rays can also affect animals and crop yields.

In the past, most refrigerants were compounds

that contained chlorine—chlorofluorocarbons or

hydrochloroﬂ uorocarbons. You don’t have to remember

these long names, but you should be aware that when these kinds

of refrigerants are released to the atmosphere, the chlorine molecule

combines with one of the ozone’s oxygen molecules, destroying ozone

at a faster rate than it can be replenished.

Soon all CFC and HCF refrigerants used around the world will be

replaced by non-ozone depleting types such as the R-410A that’s

already in use in all our mini-split models.

ectiv

hydro

All C t d tl i i lit h d ith R 410A

Energy efficient

and environmentally sound

V Series

Single Zone Heat Pumps

9,000 - 24,000 BTUH

Inverter Technology

S Series

Single Zone

Cooling only and Heat Pumps

9,000 - 24,000 BTUH

Mini-Split Systems

See complete descriptions and specifications

beginning on page 11.

V Series

InverterFlex Heat Pumps

Dual, Tri and Quad Zone

18,000 - 36,000 BTUH

D Series

Ceiling Cassette

24,000 & 36,000 BTUH

cooling only

Quick Reference Guide

SEER

HSPF

Auto Operation

Turbo Mode

Sleep Mode

24 Hour Timer

Auto Louver Swing

Louver Setting

Multi-Stage Filtration

Auto Restart

Low Ambient Op.

Wireless Remote

Self-Diagnostics

Ionizer

“S” Series

Single Zone

SMA09SC-0

13.0 -

333333

3333

SMA12SC-0

13.0 -

333333

3333

SMA18SC-1

13.0 -

333333

3333

SMA24SC-1

13.0 -

333333

3333

SMH09SC-0

13.0 7.8

33 3333

3333

SMH12SC-0

13.0 7.8

333333

3333

SMH18SC-1

13.0 7.8

333333

3333

SMH24SC-1

13.0 7.8

333333

3333

“V” Series

Single Zone

with Inverter

Technology

VMH09SC-1

19.0 9.5

333333333333

VMH12SC-1

20.0 9.5

333333333333

VMH18SC-1

17.0 8.2

333333333333

VMH24SC-1

17.0 8.2

333333333333

“V” Series

Multi-Zone

with Inverter

Technology

VMH18DC-1

16.0 7.7

333333333333

VMH27TC-1

16.0 7.7

333333333333

VMH36QC-1

15.2 7.7

333333333333

“D” Series

Ceiling Cassette

DMC24CA-1

13.0 -

33333

DMC36CA-1

13.0 -

33333

Design, specifications and performance data subject to change without notice.

Use this handy guide to

check on the features

of each type of unit.

You can find more

detail on the product

pages that follow.

Classrooms in schools and churches are ideal candi-

dates for ductless mini-splits, especially multi-zone

models. They allow each room to be individually

controlled to meet speciﬁ c requirements and the

units can be turned off when the room is not in use

for additional energy savings.

Ultra-Quiet Operation

High tech multi-speed fan provides balanced air ﬂ ow that’s so quiet, you may not

realize the unit is turned on

Attractive Appearance

The low proﬁ le of wall mount indoor units, along with sleek grille design, results in an

attractive, unobtrusive installation; outdoor units can be installed close to the building

Random Swing

The unit randomly changes the louver direction for a natural breeze-like effect that is

preferred by most people; this feature can be selected in most modes

Airﬂ ow Direction Control

The vertical louvers can be set for desired airﬂ ow direction

Multi-Stage Filtration

Triple ﬁ ltration in our “V” Series helps improve indoor air quality: an active carbon and

dust ﬁ lter removes pollen, dust and smoke; an ionizer removes microscopic particles

from the air, and a freshening ﬁ lter helps freshen the air

Auto Restart

The unit resumes operation when power is restored after a temporary outage, reverting

to the last-used setting

24-Hour Timer

Turns the unit on and off during the day for comfort when you’re home and energy

savings when you’re away

Low Ambient Operation

All high wall mini-splits can operate when the outside temperature is as low as 5

without installing a separate low ambient kit

Environmentally Friendly Refrigerant

All Century mini-split systems use R-410A which does not contribute to depletion of

the earth’s vital ozone layer

Self-Diagnostics

Makes it easy to identify any operational problems

All features not available on all models: see reference guide or individual series for specific features

You can operate Century mini-

splits in a variety of modes

to suit your needs and your

personal comfort level:

n Auto Operation—Climate

controls sense the temperature

in the room and turn the unit

and fan on and off as needed

to maintain the desired

temperature

n Cooling Mode—Choose this

mode when cooling is needed

n Turbo Mode—To quickly

bring the room to the desired

temperature, the fan operates

at super high speed until the

setting is reached

n Heat Mode—For heat pumps,

the condenser extracts

heat from outside air for

economical comfort

n Dehumidiﬁ cation Mode—The

unit automatically adjusts

the air ﬂ ow and temperature

setting according to current

room conditions for comfort

even in the most humid

conditions

n Auto Sleep Mode—Because

our body temperature cools

down as we sleep, the unit

automatically adjusts the

setting for all-night comfort

n Air Circulation—The fan

circulates air without heating

or cooling and can be set at

low, medium or high speed

Operation is controlled by

a fully featured wireless

remote. Intuitive design

makes it easy to select

the operational mode.

For Multi-Zone units,

one remote is included

for each indoor unit.

Mini-Splits are packed

with comfort features

‘S’ Series

Single zone cooling only

and heat pump models

Our “S” Series, rated at 13 SEER, offers

economical zone control because only the

room or area being used is conditioned.

Also, no energy is used to force air through

a duct system.

Since the unit is independent of any other

heating or cooling system, speciﬁ c comfort

requirements can be set for the space. A

wireless remote makes it easy to select both

temperature and mode.

The indoor air handler features a sleek design

that extends just 9” or less into the room,

depending on the model. For installation

ﬂ exibility, the indoor section can be located

up to 82 feet from the outdoor section.

Not only is the air handler visually unobtrusive,

it’s also so quiet you’ll forget it’s even there.

Fan speed and mode can be selected so the

air ﬂ ow provides the comfort needed without

being disruptive. All models feature three

fan speeds.

Built with quality components, the system

includes a three minute delay at start-up to

protect the compressor from short cycling.

Ambient operating temperature: cooling 5° to

109.4° F, heating 19.4° to 75.2° F.

Includes a fully featured

wireless remote

9,000 to

24,000

BTUH

Features

n Whisper Quiet—High tech fan in the indoor unit

delivers balanced air ﬂ ow

n Temperature Compensation—Indoor unit adjusts

automatically as needed to eliminate stratiﬁ cation

between ceiling and ﬂ oor temperatures

n Random Swing—Continually adjusts air direction

for a gentle, breeze-like effect

n Multiple Modes—Cooling, dehumidiﬁ cation only,

air circulation (heating in heat pump models) plus:

• Sleep mode

• 24-hour timer

• Turbo mode

n Auto Operation—Automatically adjusts to

maintain a constant temperature/humidity level

n Air Filtration—An air ﬁ lter helps trap dust,

pollen, and other particles in the air; this

permanent ﬁ lter is designed to be washed on a

regular basis and re-installed

n Auto Restart—Reverts to the last setting

following a power failure

n Low Ambient Operation—Crankcase heater

allows operation to 5° F (cooling)

n Defrost—On heat pump models

Indoor Unit

Outdoor Unit

Owners of historic homes will appreciate the comfort and convenience of ductless

mini-splits. Adding air conditioning to older homes can be expensive and difﬁ cult,

while window units destroy the exterior appearance of the home. But with a

mini-split, the outdoor condenser can be located where it doesn’t detract from

the curb appeal, and simple conduit containing refrigerant and electrical lines is

inconspicuous. Remodelers and renovators will appreciate these same qualities.

‘S’ Series

13 SEER

Single Zone Ductless Mini-Split Sytems

Cooling Only Heat Pump Models

FEATURES

SMA09SC-0 SMA12SC-0 SMA18SC-1 SMA24SC-1 SMH09SC-0 SMH12SC-0 SMH18SC-1 SMH24SC-1

Power Supply 115-1-60 115-1-60 208/230-1-60 208/230-1-60 115-1-60 115-1-60 208/230-1-60 208/230-1-60

Cooling Capacity (BTUH)

9,000 12,000

16,200/

18,000

21,600/

23,000

9,000 12,000

16,200/

18,000

21,600/

23,000

Cooling Amps

7.3 10.0 6.8/6.8 8.8/8.8 7.3 10.0 6.8/6.8 8.8/8.8

Dehumidify (Pts/Hr.)

2.1 2.5 3.8 5.3 2.1 2.5 3.8 5.3

Heating Capacity

(BTUH)

N/A N/A N/A N/A 10,000 12,500

16,200/

18,000

21,600/

23,000

Heating Amps

N/A N/A N/A N/A 7.6 10.0 7.0/7.0 8.8/8.8

HSPF

N/A N/A N/A N/A 7.8 7.8 7.8 7.8

INDOOR UNIT

Air flow (CFM)

342/271/218 471/412/371 618/589/547 795/688/624 341/271/218 500/430/394 618/589/547 795/688/624

Fan Speeds (C/H/F)

3/–/3 3/–/3 3/–/3 3/–/3 3/3/3 3/3/3 3/3/3 3/3/3

AIR DIRECTION

Vertical Modulating

Remote Remote Remote Remote Remote Remote Remote Remote

Horizontal (left/right)

Manual Manual Manual Manual Manual Manual Manual Manual

Random Swing

Standard Standard Standard Standard Standard Standard Standard Standard

INDICATOR LAMPS

ON/OFF

Standard Standard Standard Standard Standard Standard Standard Standard

24 Hr Timer/Sleep Mode

Standard Standard Standard Standard Standard Standard Standard Standard

Defrost

N/A N/A N/A N/A Standard Standard Standard Standard

Temperature Setting

Remote Temperature Set Range 62° F to 88° F Remote Temperature Set Range 62° F to 88° F

INDOOR UNIT DIMENSIONS

Width (inches)

/8 36

/4 42

/2 49

/16 31

/8 36

/4 42

/2 49

/16

Height (inches)

/16 11

/2 13 12

/16 10

/16 11

/2 13 12

/16

Depth (inches)

/16 8

/8 99

/16 7

/16 8

/8 99

/16

Net Wt/Shipping Wt (lbs)

16.5/19.8 28.7/33.0 33.0/46.3 39.7/55.1 16.5/19.8 28.7/33.0 33.0/46.3 39.7/55.1

OUTDOOR UNIT DIMENSIONS

Width (inches)

/16 29

/16 33

/4 35

/4 30

/16 29

/16 33

/4 35

Height (inches)

/8 23

/4 27

/8 33

/8 21

/8 23

/4 27

/8 33

Depth (inches)

/8 11

/4 13

/16 13 9

/8 11

/4 13

/16 13

Net Wt/Shipping Wt (lbs.)

70.5/77.1 79.3/86.0 116.9/125.7 141.1/150.0 68.3/74.9 83.8/90.4 116.9/125.7 143.3/152.1

ELECTRICAL DATA OUTDOOR UNIT*

Main Power Connection

Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit

Max. Circuit Ampacity

13.6 17.2 12.7 16.5 13.6 17.2 12.7 16.5

Max. Fuse/HACR

Circuit Breaker

15A 20A 15A 20A 15A 20A 15A 20A

Recommended Indoor/

Outdoor Connecting

Cable Type (SJOW)

18AWG

4 conductor

300V or heavier

18AWG

4 conductor

300V or heavier

Line Voltage

per NEC*

Line Voltage

per NEC*

18AWG

4 conductor

300V or heavier

18AWG

4 conductor

300V or heavier

Line Voltage

per NEC*

Line Voltage

per NEC*

LINE SETS O.D. (inch) / REFRIGERANT

Refrigerant

R-410A R-410A R-410A R-410A R-410A R-410A R-410A R-410A

Liquid (flare) (inch)

1/4 1/4 1/4 3/8 1/4 1/4 1/4 3/8

Suction (flare) (inch)

3/8 1/2 1/2 5/8 3/8 1/2 1/2 5/8

Max. Line Set Length

65.5 feet 65.5 feet 82 feet 82 feet 65.5 feet 65.5 feet 82 feet 82 feet

Max.Outdoor Elevation

26 feet 26 feet 32.8 feet 32.8 feet 25.6 feet 25.6 feet 32.8 feet 32.8 feet

C US

Warranty—5 years on compressor, 1 year on parts

(Some limitations apply; see printed warranty for details.)

*Always follow local, state and national electrical codes. Main power connection is 208-230V.

Min. 15 ft. line set recommended.

Oil trap should be installed every 16.5 to 23 feet (5-7m).

Design, specifications and performance data subject to change without notice.

Features

n Attractive Cabinet—Indoor units feature a

slim proﬁ le with rounded corners and sleek

grilles with a subtle metallic look panel

n Multiple Modes—Cooling, dehumidiﬁ cation

only, and heating

• Sleep mode

• 24-hour timer

• Turbo mode

• Auto sleep mode

n Random Swing—Continually adjusts fan

speed and air direction for a gentle, breeze-

like effect that’s preferred by most people

n Remote Control—Makes it easy to program

and operate the unit

n Multi-Stage Filtration—Includes ionizer to

remove microscope particles, active carbon

and dust ﬁ lter, and freshening ﬁ lter for

improved indoor air quality

n Low Ambient Operation—Cooling

mode functions even when the outdoor

temperature reaches 5

n Defrost Control—Automatically removes any

frost accumulation on the coil

n Auto Restart—Reverts to the last setting

following a power failure

‘V’ Series

Inverter technology in a

wide range of capacities

Outdoor Unit

208-230V

9,000 to

24,000

BTUH

Comfort and energy efﬁ ciency combine in these

attractive wall mount mini-splits. Rated as high

as 20 SEER, they include all the advantages of

advanced inverter technology.

You’ll find that your room reaches the preset

temperature quickly and that the temperature is

constant, without the variations that occur in other

types with on-off cycling. Because the units run

at low frequency most of the time, energy usage

is kept to a minimum. However, during weather

extremes (or when you have a room full of people),

the compressor ramps up automatically to maintain

the comfort level.

“V” Series units are exceptionally quiet. Heavy duty

compressors in the condensers are not just efﬁ cient,

but they also reduce noise and vibration. Inside,

the balanced fan circulates large volumes of air at

minimal noise levels.

Applications

Single zone models are especially suited to one

room residential installations such as bedrooms,

sunrooms, additions and workshops. For large

spaces up to 1550 square feet such as ofﬁ ces,

conference rooms, common areas, etc., the 24,000

BTUH models deliver big capacity with exceptional

efﬁ ciency. The inverter technology automatically

matches the power delivered with the load

requirements for precise temperature control.

Low Ambient Operation

The low ambient feature allows cooling when

outdoor temperature falls below freezing—great

for temperature/humidity sensitive environments.

Additionally, a factory installed crankcase heater

keeps compressor oil warm and reduces heat loss

to ambient air.

Low Ambient Operation: cooling 5° – 122° F,

heating 5° – 93.2 ° F.

Cooling and

heat pump

models in

all sizes

9,000, 12,000 and

18,000 BTUH Models

Indoor Unit

‘V’ Series

Single Zone Ductless Mini-Split Systems with Inverter Technology

C US

Heat Pump Models

FEATURES VMH09SC-1

VMH12SC-1

VMH18SC-1

VMH24SC-1

Power Supply

208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60

Cooling Capacity (BTUH)

9,000 12,000 17,500 23,000

SEER

19 20 17 17

Cooling Amps

3.5 4.7 6.7 9.7

Dehumidification (Pts/Hr.)

2.3 2.5 3.6 4.7

Heating Capacity (BTUH)

10,000 12,500 18,000 24,000

Heating Amps

3.8 5.4 6.3 9.5

HSPF

9.0 9.5 8.5 9.0

INDOOR UNIT

Air flow (CFM)

400/318/288 430/341/312 624/589/506 736/677/589

Fan Speeds (Hi/Med/Lo)

3333

AIR DIRECTION

Vertical Modulating

Remote Remote Remote Remote

Horizontal (left/right)

Manual Manual Manual Manual

Random Swing

Standard Standard Standard Standard

INDICATOR LAMPS

ON/OFF

Yes Yes Yes Yes

24 Hr. Timer/Sleep Mode

Yes Yes Yes Yes

Defrost or Hot Start

Yes Yes Yes Yes

Temperature Setting

On Remote: 62° F – 86° F temperature setting range

INDOOR UNIT DIMENSIONS

Width (inches)

/4 33

/4 42

/2 42

Height (inches)

/4 11

/4 12

/8 12

Depth (inches)

/2 6

/2 7

/8 7

Net Wt/Shipping Wt (lbs)

19.8/24.3 19.8/24.3 31.9/44.0 31.9/44.0

OUTDOOR UNIT DIMENSIONS

Width (inches)

/16 29

/16 33

/4 35

Height (inches)

/4 23

/4 27

/8 33

Depth (inches)

/4 11

/4 13

/16 13

Net Wt/Shipping Wt (lbs.)

83.8/90.4 86.0/92.6 110.2/119.0 136.7/147.7

ELECTRICAL DATA OUTDOOR UNIT*

Main Power Connection

Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit

Max. Circuit Ampacity

9 9.5 15 13.5

Max. Fuse/HACR Circuit Breaker

15 15 15 15

Recommended Indoor/Outdoor

Connecting Cabler Type (SJOW)

Line Voltage

per NEC*

Line Voltage

per NEC*

Line Voltage

per NEC*

Line Voltage

per NEC*

LINE SETS O.D. (inch) / REFRIGERANT

Refrigerant

R-410A R-410A R-410A R-410A

Liquid Connection (flare) (inch)

1/4 1/4 1/4 3/8

Suction Connection (flare) (inch)

3/8 1/2 1/2 5/8

Maximum Line Set Length

65 feet 65 feet 82 feet 82 feet

Maximum Elevation (outdoor)

26 feet 26 feet 32.8 feet 32.8 feet

Warranty—6 years on compressor, 2 years on parts

(Some limitations apply; see printed warranty for details.)

*Always follow local, state and national electrical codes. Main power connection is 208-230V.

**Energy Star compliant models.

Min. 15 ft. line set recommended.

Oil trap should be installed every 16.5 to 23 feet (5-7m).

Design, specifications and performance data subject to change without notice.

Includes one fully featured

wireless remote per indoor unit.

‘V’ Series

Our InverterFlex multi-zone units let you

condition two, three or four rooms—or one

large space—with just one outdoor unit. The

contractor can design a system that best meets

the load requirements of each room being

conditioned because indoor air handlers can be

mixed and matched.

A single outdoor condenser is sized for multiple

indoor air handlers. These 9,000 and 12,000

BTUH indoor units can be mixed, up to the

point that their combined capacity reaches the

total system capacity—see the chart on the

following page.

InverterFlex models incorporate all the advantages

of inverter technology. The compressor speed is

variable, depending on the load demand. Most

of the time the unit runs at low RPMs, saving

energy while maintaining comfort, but ramping

up to higher RPMs when needed. Temperature

ﬂ uctuations and compressor on/off cycling are

eliminated, and indoor air quality is enhanced

because air is constantly being pulled through

the ﬁ lters and dehumidiﬁ ed.

True zone control is possible

because each air handler operates

independently. InverterFlex systems

are also great for larger spaces such

as fellowship halls and commons

areas: install one or more units for

quiet, efﬁ cient, easily controlled

comfort.

Features

n Zone Control—Each air handler is independently

controlled, can be set for individual preferences or

turned off when the room isn’t being used

Random Swing—Continually adjusts air direction for

a gentle, breeze-like effect preferred by most people

n Multiple Modes—Cooling, dehumidiﬁ cation only,

air circulation, heating plus:

• Sleep mode

• 24-hour timer

• Turbo mode

n Low Ambient Operation—cooling 5° – 122° F,

heating 5° – 93.2 ° F

n Auto Operation—Automatically selects the mode

required to maintain a constant temperature/

humidity level

n Multi-Stage Filtration—Includes ionizer to

remove microscope particles, active carbon

and dust ﬁ lter, and freshening ﬁ lter for

improved indoor air quality

n Auto Restart—Reverts to the last setting

following a power failure

InverterFlex

™

Systems

Dual Zone 18,000 to 24,000 BTUH

Tri/Quad-Zone 27,000

to 36,000 BTUH

Cool and heat two rooms or separate areas. Includes two indoor

air handlers and two wireless remotes, one for each air handler.

Cool and heat three or four rooms/separate areas.

Includes three or four air handlers and one wireless

remote for each air handler.

it.

sible

ates

Dual Zone 18

00 to 24

eattworo

separat

‘V’ Series InverterFlex

Multi-Zone Ductless Mini-Split HeatPumps

Mix and match indoor units up to the maximum BTUHs for each

system. The chart on the right shows the various combinations.

Note that outdoor and indoor units are ordered separately; “A”

indicates outdoor unit, “B” indicates indoor unit.

For instance, to order a 33,000 BTUH tri-zone, you’ll specify one

A-VMH36QC, two B-VMH12FC, and one B-VMH09FC.

Outdoor Units

FEATURES

A-VMH18DC-1 A-VMH27TC-1 A-VMH36QC-1

Power Supply

208/230-1-60 208/230-1-60 208/230-1-60

System Cooling Capacity (BTUH)

18,000 27,000 36,000

SEER

16.0 16.0 15.0

Cooling Amps

7.5 11.0 15.0

System Heating Capacity (BTUH)

19,000 28,000 38,000

Heating Amps

7.6 11.2 15.0

HSPF

7.7 7.7 8.5

OUTDOOR UNIT DIMENSIONS

Width (inches)

/4 33

/4 39

Height (inches)

/8 27

/8 37

Depth (inches)

/16 13

Net Wt/Shipping Wt (lbs.)

117.9/125.7 125.7/133.4 189.6/198.4

ELECTRICAL DATA OUTDOOR UNIT*

Main Power Connection

Outdoor Unit Outdoor Unit Outdoor Unit

Min. Circuit Ampacity

10.5 16.0 15.4

Max. Fuse/HACR Circuit Breaker

15 20 20

Recommended Indoor/Outdoor

Connecting Cable (SJOW)

Line Voltage

per NEC*

Line Voltage

per NEC*

Line Voltage

per NEC*

LINE SETS O.D. (inch) / REFRIGERANT

Refrigerant

R-410A R-410A R-410A

Liquid (flare) (inch)

1/4 1/4 1/4

Suction (flare) (inch)

3/8 3/8 3/8

Maximum Line Set Length

49.2 feet 49.2 feet 49.2 feet

Maximum Elevation (outdoor)

32.8 feet 32.8 feet 32.8 feet

InverterFlex Outdoor/Indoor Combinations

OUTDOOR UNIT ZONES INDOOR UNITS TOTAL BTUH

A-VMH18DC-1

Dual 9K + 9K

18,000

A-VMH27TC-1

Dual 9K + 12K

21,000

Dual 12K + 12K

24,000

Tri 9K + 9K + 9K

27,000

A-VMH36QC-1

Tri 9K + 9K + 12K

30,000

Tri 9K + 12K + 12K

33,000

Tri 12K + 12K + 12K

36,000

Quad 9K + 9K + 9K +9K

36,000

Indoor Units

FEATURES B-VMH09FC-1 B-VMH12FC-1

INDOOR UNIT

Cooling Capacity BTUH

9,000 12,000

Heating Capacity BTUH

10,000 13,000

Air flow (CFM)

335/283/206 412/306/247

Dehumidification (Pts/Hr)

2.3 2.5

Fan Speeds

AIR DIRECTION

Vertical Adjustment

Manual Manual

Horizontal Modulating

Yes Yes

Random Swing

Yes Yes

INDICATOR LAMPS

ON/OFF

Yes Yes

24 Hr. Timer/Sleep Mode

Yes Yes

Defrost

Yes Yes

Temperature Setting

On Remote: 62° F – 88° F

INDOOR UNIT DIMENSIONS

Width (inches)

/16 33

Height (inches)

/8 11

Depth (inches)

/4 6

Net Wt/Shipping Wt (lbs)

22/26.5 22/26.5

Liquid (flare) (inch)

1/4 1/4

Suction (flare) (inch)

3/8 1/2*

C US

*Always follow local, state and national electrical codes. Main power connection is 208-230V.

Min. 15 ft. line set recommended

Oil trap should be installed every 16.5 to 23 feet (5-7m).

Design, specifications and performance data subject to change without notice.

Ambient Operating Temperature: 5°

- 122° F (cooling); 5° - 93.2° F (heating)

*Adapter included with indoor section

* 9K = Model No. B-VMH09FC-1, 12K = Model No. B-VMH12FC-1

Warranty—6 years on compressor, 2 years on parts

(Some limitations apply; see printed warranty for details.)

‘D’ Series

Ceiling Cassette Systems

208-230V/60/1

Features

n Multiple Modes for Comfort—Cooling, fan

only, dehumidiﬁ cation only, auto sleep modes

Auto Operation—Fan speed and temperature

are automatically adjusted according to the actual

temperature of the room

Timer Modes—Can be programmed for daily,

weekly and holiday operation for energy savings

when the room is not being used

n Swirl Mode—Controls the louvers to reduce

temperature stratiﬁ cation; louver swing delivers

uniform comfort

n Plasma Air Purifying Filter—High tech ﬁ lter

improves indoor air quality; unit also includes a

washable air ﬁ lter

n Auto Restart—Reverts to last programmed

setting after a power failure

n Self-Diagnostics—Indicates when

maintenance is required

Our indoor cooling only units ﬁ t ﬂ ush in the

ceiling with an attractive panel incorporating

airﬂ ow louvers. A small light display on the

indoor unit shows operation and if the timer is in

use, plus signals when the ﬁ lter needs changing.

A full featured wireless remote and a wired wall

remote to control operation and program the unit

are both included.

To optimize comfort and minimize energy

consumption, a multi-stage compressor system in

the 36,000 BTUH unit uses two compressors that

operate individually or in tandem to closely match

the load for greatest efﬁ ciency.

24,000 BTUH

36,000 BTUH

Ofﬁ ces are ideal locations for ceiling cassettes...the overhead location

allows conditioned air to reach cubicles and work areas within a single

space. Units can be programmed on a weekly basis for comfort during

working hours and energy savings in the evenings or on weekends.

Warranty—5 years on compressor, 1 year on parts

(Some limitations apply; see printed warranty for details.)

* Always follow local, state and national electrical codes. Main power

connection is 208/230V.

Cooling Only

FEATURES

DMC24CA-1 DMC36CA-1

Power Supply 208/230-1-60 208/230-1-60

Cooling Cap. (BTUH) 23,500/24,000 33,500/34,000

SEER 13.0 13.0

Dehumidify (Pts/Hr.) 6.3 7.8

Indoor Unit

Air Flow (CFM) H/M/L 650/600/550 850/800/750

Fan Speeds (Cool/Fan) 3 / 3 3 / 3

Air Direction–Four Way Standard Standard

24 Hr. Timer/Sleep Mode Standard Standard

Defrost Control Standard Standard

Electrical Data Outdoor Unit*

Main Pwr. Connection Outdoor Unit Outdoor Unit

Min. Circuit Ampacity 16.8 24.3

Max. Fuse/HACR Cir Brkr. 25 40

Indoor/Outdoor Connection

Line Voltage

Per NEC*

Line Voltage

Per NEC*

Indoor Unit Chassis Dimensions

Width (inches)*

Height (inches)

Depth (inches)*

Shipping Wt (lbs) 70 70

Outdoor Unit Dimensions

Width (inches)

Height (inches)

Depth (inches)

Shipping Wt. (lbs) 175 210

C US

Ready to buy?

Here are some things to consider:

When you buy Century products, you’re purchasing the peace of mind that

comes from dealing with a company that has a long track record of success.

We have a well-deserved reputation not only for quality products, but also

for standing behind those products with excellent warranty and support

programs. We have technicians available to handle telephone inquiries about

operation, installation and maintenance. Our web site is another resource:

owners’ manuals can be downloaded and your installer can access technical

information and service manuals.

Warranty Coverage

Century stands behind its mini-splits with some of the strongest warranties

in the industry. All our ductless mini-split systems are covered by a limited

ﬁ ve year warranty on the compressor and one year on other parts, and our

“V” Series is covered by a 6 year compressor, 2 year parts limited warranty.

(Some limitations apply, see our web site for full warranty details).

Consumer Financing Program

Your Century dealer makes it easy for you to purchase a ductless mini-split

system for residential use. Our KwikComfort and GeoSmart Financing

Programs give you the credit you need for a system, installation and any

related equipment—with no long wait and no credit hassle. Program

Representatives are available by phone seven days a week and, in most cases,

they can give you an answer within minutes. There’s no annual fee and a

variety of payment options is available. Talk to your Century dealer about

the advantages of one of these ﬁ nancing programs.

Extended Service Agreements

We stand behind our products with exceptionally strong warranties, but

as with any product containing mechanical and electronic components,

service is sometimes needed. Our AssurancePlus

program gives you an extra

measure of protection that extends beyond the standard warranty coverage.

It protects you against unexpected problems that require service and/or

replacement parts. AssurancePlus

extended service agreements allow you

to extend coverage beyond the original warranty, and there is a variety of

plans to choose from, offering parts and labor coverage, parts only or labor

only. Your Century dealer has all the details on the AssurancePlus

program.

Talk to your Century dealer about the advantages of

ductless mini-split systems and if one is right for your

location and situation. He should also make an on-

site inspection to measure and evaluate the space so

that your system is sized correctly.

correctl

and evaluat

correc

syst

1900 Wellworth Ave., Jackson, MI 49203

www.heatcontroller.com

Design, specifications, materials and performance data subject to change without notice.

CY-MS-B

Century offers a full line of ductless mini-split systems

that are quality constructed and energy efﬁ cient to

keep your family comfortable throughout the year.

With single zone, multi-zone, and ceiling cassette

models, there’s a system in the size and type you

need to add comfort to just about any location.

All our mini-splits are backed by strong warranty

coverage and after-sales support. Your dealer can

give you recommendations on which models best

suit your needs and lifestyle.

Heat Controller VMH18SC-1 User manual

Brand: Heat Controller

Model: VMH18SC-1

Category: Split-system air conditioners

Type: User manual

Download PDF

report

Heat Controller VMH18SC-1 User manual

Heat Controller VMH18SC-1 User manual

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